Home / 45,053.28-67,575.60-13,880.16

Finding the Fourth Proportional to 45,053.28, 67,575.60 and 13,880.16

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Solution

The fourth proportional to 45,053.28, 67,575.60 and 13,880.16 is: 20,818.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,053.28 : 67,575.60 = 13,880.16 : x
  2. Step 2: Convert to fraction form
    45,053.28/67,575.60 = 13,880.16/x
  3. Step 3: Cross multiply
    45,053.28x = 67,575.60 × 13,880.16
  4. Step 4: Simplify right side
    45,053.28x = 937,960,140.10
  5. Step 5: Solve for x
    x = 937,960,140.10/45,053.28
  6. Step 6: Final answer
    x = 20,818.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.